Home / 7,515.23-10,370.12-4,157.58

Finding the Fourth Proportional to 7,515.23, 10,370.12 and 4,157.58

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Solution

The fourth proportional to 7,515.23, 10,370.12 and 4,157.58 is: 5,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.23 : 10,370.12 = 4,157.58 : x
  2. Step 2: Convert to fraction form
    7,515.23/10,370.12 = 4,157.58/x
  3. Step 3: Cross multiply
    7,515.23x = 10,370.12 × 4,157.58
  4. Step 4: Simplify right side
    7,515.23x = 43,114,603.51
  5. Step 5: Solve for x
    x = 43,114,603.51/7,515.23
  6. Step 6: Final answer
    x = 5,736.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.